© trainspo.comGMD SD40
Built by EMD, GMD
Overview of the GMD SD40
Explore the powerful EMD SD40 diesel locomotive, a versatile and robust workhorse renowned for its performance in both freight and passenger operations.
This diesel locomotive, featuring a Co'Co' axle configuration and weighing 160 tons, is capable of reaching impressive speeds of up to 134 km/h.
Powered by an EMD 16-645E3 prime mover, the SD40 delivers a substantial 2240 kW of power, making it a reliable choice for a wide array of railway tasks.
Throughout its history, the SD40 has proudly served numerous prestigious railway companies across the United States and Canada, including the Atchison, Topeka and Santa Fe Railway, Burlington Northern, and Canadian National Railway, among many others.
With its dimensions of 20.02 meters in length, 3.05 meters in width, and 4.71 meters in height, this locomotive is perfectly suited for the standard 1435 mm gauge, ensuring seamless operation across extensive rail networks.
The EMD SD40 stands as a significant pillar in the history of railway transportation, distinguished by its enduring design and dependable performance.
GMD SD40 technical specifications
| Value | Imperial / US | |
|---|---|---|
| Built by | EMD, GMD · 1966–19721,268 units | |
| Top speed | 134 km/h83 mph | |
| Power output | 2,240 kW3,004 hp | |
| Prime mover | EMD 16-645E3 | |
| Track gauge | 1,435 mmStandard gauge4 ft 8½ in | |
| UIC axle arrangement | Co'Co' | |
| Length | 20.02 m65 ft 8 in | |
| Width | 3.05 m10 ft 0 in | |
| Height | 4.71 m15 ft 5 in | |
| Weight | 160 t352,739 lb |
Operators of the GMD SD40
Railway companies that have operated the SD40, with the class designation used by each of them.
| Operator | Class | Country |
|---|---|---|
| Canadian National Railway | CN SD40 | Canada |
| Canadian Pacific Railway | CP SD40 | Canada |
| Atchison, Topeka and Santa Fe Railway | ATSF SD40 | United States |
| Atchison, Topeka and Santa Fe Railway | ATSF SD40u | United States |
| Burlington Northern | BN SD40 | United States |
| Burlington Northern | BN SD40B | United States |
| Chesapeake and Ohio Railway | C&O SD40 | United States |
| Chicago and North Western Transportation Company | CNW SD40 | United States |
| Clinchfield Railroad | CRR SD40 | United States |
| Conrail: Consolidated Rail Corporation | CR SD40 | United States |
| Grand Trunk Western Railroad | GTW SD40 | United States |
| Gulf Mobile & Ohio | GM&O SD40 | United States |
| Helm Leasing Company | HLCX SD40 | United States |
| Kansas City Southern Railway | KCS SD40 | United States |
| Missouri Pacific | MP SD40 | United States |
| Morrison Knudsen Corporation | MKCX SD40 | United States |
| Norfolk and Western Railway | NW SD40 | United States |
| Norfolk Southern Railway | NS SD40 | United States |
| Soo Line Railroad | SOO SD40 | United States |
| Union Pacific Railroad | UP SD40 | United States |
| Utah Railway | UTAH SD40M | United States |
| Western Fuels Association | WFAX SD40 | United States |
| Wheeling and Lake Erie Railway | WE SD40 | United States |
GMD SD40 photos
Photos © their respective authors, shared on trainspo.com. They may show liveries or variants that differ from the specifications above.
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